InputPort Class 
Constructor
InputPort(*, type_string: str, default: str | None = None, optional: bool | None = False)
		Keyword-Only Parameters
| Name | Description | 
|---|---|
| 
		 type_string 
			
				Required
			 
	 | 
	
		 | 
| 
		 default 
	 | 
	
		 Default value: None 
			 | 
| 
		 optional 
	 | 
	
		 Default value: False 
			 |